28625191

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1571}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 34709760

約数和(自身を除く): 6084569

約数列:

[1, 7, 19, 133, 137, 959, 1571, 2603, 10997, 18221, 29849, 208943, 215227, 1506589, 4089313, 28625191]

約数ペア:

[(1, 28625191), (7, 4089313), (19, 1506589), (133, 215227), (137, 208943), (959, 29849), (1571, 18221), (2603, 10997)]